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The
LarsLap mechanically driven grinding system comprises
a number of basic models covering virtually every type
of valves from 1/2" to 47+" (1194+ mm) in
diameter. The patented LarsLap technology utilizes a
mechanically driven system whereby the rotating drive
head incorporates individually driven grinding wheels
to perform the actual work of the seat grinding. This
unique system provides the desired crosshatch pattern
on the valve seat considerably quicker than conventional
methods of grinding. Our versatile accessories for all
types of grinding work are the ideal complement to the
basic portable valve grinders.
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Grinder
for gate valves, gate valve wedges, globe, safety
and control valves with flat seats, 6"-47+"
(10-1194+mm) dependent on model chosen.
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Grinder
for gate valves, gate valve wedges, globe, safety
and control valves with flat seats, 2.5"-10"
(65-300mm) and 2.5"-8" (65-200mm)
with angle seats, dependent on model chosen.
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Grinder
for gate valves and gate valve wedges with flat
seats, 1"-4" (25-100mm) and OD of
3 degrees.
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Globe and safety valves with flat seats, 0.5"-4"
(10-100mm) and angle seats, 0.5"-2.5"
(10-65mm), dependent on model chosen.
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For
occasional light duty grinding. Globe, Gate and
safety valves with flat and angle seats 2.5"-6
(10-150mm), dependent on model chosen. |
Globe,
control and safety valves with flat and/or angle
seats, disks, flanges, plugs, 2.5"-32"
(65-800mm), dependent on model chosen. |
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| Grinder
for globe, safety, and control valves with flat
and/or angle seat/weld removal, 2.5"-24"
(65-300mm), dependent on model chosen.
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Gate
and check valves-machine/cuts seat/welds/flanges
with flat and angle seats, 6"-24", (150-600mm),
dependent on model chosen.
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Grinding
Technology: Mechanically Driven System
Our
equipment uses a patented mechanically driven system
with all grinding wheels moving at the same rate of
speed. This technology produces a perfect crosshatch
pattern because the inside and outside of the seat is
being ground at the same time. The speed is at least
five (5) times faster as a gear or o-ring is driving
each grinding wheel. The driving plate pivots instead
of the grinding wheels, which puts all the pressure
in the middle of the driving plate. This results in
a perfectly flat seat – without undesirable effects
such as concave or convex seats. These results can return
a concave or convex seat, damaged by improper grinding,
to the desired flatness. The direction of the motor
on the LarsLap equipment can be easily reversed (compressed
air reversible motor drive).
Valve
Type Capability: Versatile
Models of the LarsLap equipment are capable of working
on Gate, Globe, Check, Safety and Control Valves. One
does not require an additional machine or accessory
to work on each individual valve type.
Each Model for use with gate valves is equipped with
a wedge plate.
Set Up/Mounting
The LarsLap equipment may be set up prior to entering
the valve requiring only fine adjustments once the machine
is mounted in the valve. As the equipment is mechanically
driven, it is unnecessary to have the grinding wheels
centered perfectly. The LarsLap wheels need only to
cover the seat in order to work correctly.
The machine is quickly and easily mounted. The mounting
frame does not need to be removed and reset when changing
grinding paper on the grinding heads or grinding opposite
side of seat. Mounting is versatile – the equipment
can be mounted in any direction.
The LarsLap equipment is supplied standard with a generous
supply of grinding abrasive papers, in micron and micron
alumina, 80-120-200 grit. Additional abrasive material
and grit is available upon request.
Please
contact us with any questions
or to request a quote. |
